Flight OddsAS139 ORD → ANC
Alaska Airlines · Chicago, IL to Anchorage, AK · 80 flights observed, 2025-07-01 to 2025-10-03 · 2,846 mi
AS139 covers more than one route in the data window — the stats below are for ORD → ANC, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
73%
Median delay
-4 min
90th percentile
+39 min
Cancellation rate
0%
How often is AS139 on time?
Across 80 flights on ORD → ANC from 2025-07-01 to 2025-10-03, AS139 arrived within 15 minutes of schedule 73% of the time. The median arrival delay was -4 min, and the worst 10% of flights arrived +39 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 58 | 73% |
| 16-30 min | 10 | 13% |
| 31-60 min | 7 | 9% |
| 61-120 min | 4 | 5% |
| 2+ hrs | 1 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 68% | +6 min |
| 2025-08 | 31 | 81% | +2 min |
| 2025-09 | 17 | 71% | +8 min |
| 2025-10 | 1 | 0% | +24 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 13 | 69% |
| Tue | 10 | 60% |
| Wed | 10 | 90% |
| Thu | 10 | 90% |
| Fri | 14 | 71% |
| Sat | 13 | 54% |
| Sun | 10 | 80% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…